Display rack



FIG. 1 is a perspective view of a display rack;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof, the rear being identical; and,

FIG. 4 is a side view thereof, the opposing side being identical.

The broken lines showing is included for the purpose of illustrating environment and forms no part of the claimed design.

The broken lines that define the bounds of the claimed design form no part thereof. 

CLAIM I claim the ornamental design for a display rack, as shown and described. 